Home / 1,076,497.80-1,614,746.70-328,542.60

Finding the Fourth Proportional to 1,076,497.80, 1,614,746.70 and 328,542.60

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Solution

The fourth proportional to 1,076,497.80, 1,614,746.70 and 328,542.60 is: 492,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,497.80 : 1,614,746.70 = 328,542.60 : x
  2. Step 2: Convert to fraction form
    1,076,497.80/1,614,746.70 = 328,542.60/x
  3. Step 3: Cross multiply
    1,076,497.80x = 1,614,746.70 × 328,542.60
  4. Step 4: Simplify right side
    1,076,497.80x = 530,513,079,159.42
  5. Step 5: Solve for x
    x = 530,513,079,159.42/1,076,497.80
  6. Step 6: Final answer
    x = 492,813.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.